. >>> it is a national day of prayer in south africa for nelson mandela. services of all faith did honored the former president. meanwhile, mourners lay flowers and lit candles in johan he isburg. >>> i am jonathan betts. you "talk to al jazeera" is next. for updates anytime of the day, go to aljazeera.com. >>> this is the imagine at the 70 of iran's historic agreement on its nuclear program. iran agreeing to restrict it's nuclear activities in exchange for a partial lifting of sanctions. tehran says its ultimate goal is a permanent solution that could allow it to pursue a peaceful program. >> nuclear weapons have no place whatsoever in our defense doctorine. >> what was concluded in geneva last night is not a historic agreement. it's a historic mistake. >> many aftcountries, particula saudi arabia is worried they are trying to buy time. the top diplomat is on a charm offensive in the gulf region. can he build bridges with iran's arab nabors? will he attend the syria talks in generva to add more than two years of killing and destruction? what is behind ira